﻿/************************************************************************

   Extended Silverlight Toolkit

   Copyright (C) 2010-2012 Xceed Software Inc.

   This program is provided to you under the terms of the Microsoft Public
   License (Ms-PL) as published at http://extendedsilverlight.codeplex.com/license

   Please purchase a commercial version of this toolkit if you are using
   it in a commercial product. The commercial versions support the project,
   and also include more features for each control, priority support,
   source code, updates, removed watermark, and a proprietary license.

   Visit http://xceed.com and follow @datagrid on Twitter.

  **********************************************************************/

using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Data;
using System.Globalization;
using System.ComponentModel;
using System.Windows.Media.Imaging;
using System.IO;

namespace Xceed.Silverlight.DataGrid.Converters
{
  public class ImageConverter : IValueConverter
  {
    public object Convert( object value, Type targetType, object parameter, CultureInfo culture )
    {
      if( !targetType.IsAssignableFrom( typeof( ImageSource ) ) )
      {
        return DependencyProperty.UnsetValue;
      }

      if( value == null || value is ImageSource )
      {
        return value;
      }

      BitmapImage imageSource = null;
      byte[] imageBytes = value as byte[];
      if( imageBytes != null )
      {
        Stream imageStream = new MemoryStream( imageBytes );
        imageSource = new BitmapImage();

#if SILVERLIGHT
        imageSource.SetSource( imageStream );
#else
        imageSource.BeginInit();
        imageSource.StreamSource = imageStream;
        imageSource.EndInit();
#endif


      }
      return imageSource;
    }

    public object ConvertBack( object value, Type targetType, object parameter, CultureInfo culture )
    {
      return null;
    }
  }
}
